by Charles Kruger Rating: **1/2 (For an explanation of TheatreStorm’s rating scale, click here.) The world premiere of “Heart Shaped Nebula” is the second production in Shotgun’s season of all women playwrights. Marisela Treviño is a poet and an emerging playwright. It is easy to see why the team at Shotgun decided to produce “Heart Shaped Nebula.” […]